USB: Add endpoint usage definitions to ch9.h

The endpoint usage field is described in the USB 2.0 specification,
chapter 9.6.6.

Also, move the sync type fields block down by some lines to reflect the
fact that these are also stuffed in bmAttributes.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 0fd3fbd..f302535 100644 (file)
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -377,12 +377,6 @@ struct usb_endpoint_descriptor {
 #define USB_ENDPOINT_NUMBER_MASK       0x0f    /* in bEndpointAddress */
 #define USB_ENDPOINT_DIR_MASK          0x80
 
-#define USB_ENDPOINT_SYNCTYPE          0x0c
-#define USB_ENDPOINT_SYNC_NONE         (0 << 2)
-#define USB_ENDPOINT_SYNC_ASYNC                (1 << 2)
-#define USB_ENDPOINT_SYNC_ADAPTIVE     (2 << 2)
-#define USB_ENDPOINT_SYNC_SYNC         (3 << 2)
-
 #define USB_ENDPOINT_XFERTYPE_MASK     0x03    /* in bmAttributes */
 #define USB_ENDPOINT_XFER_CONTROL      0
 #define USB_ENDPOINT_XFER_ISOC         1
@@ -390,6 +384,17 @@ struct usb_endpoint_descriptor {
 #define USB_ENDPOINT_XFER_INT          3
 #define USB_ENDPOINT_MAX_ADJUSTABLE    0x80
 
+#define USB_ENDPOINT_SYNCTYPE          0x0c
+#define USB_ENDPOINT_SYNC_NONE         (0 << 2)
+#define USB_ENDPOINT_SYNC_ASYNC                (1 << 2)
+#define USB_ENDPOINT_SYNC_ADAPTIVE     (2 << 2)
+#define USB_ENDPOINT_SYNC_SYNC         (3 << 2)
+
+#define USB_ENDPOINT_USAGE_MASK                0x30
+#define USB_ENDPOINT_USAGE_DATA                0x00
+#define USB_ENDPOINT_USAGE_FEEDBACK    0x10
+#define USB_ENDPOINT_USAGE_IMPLICIT_FB 0x20    /* Implicit feedback Data endpoint */
+
 /*-------------------------------------------------------------------------*/
 
 /**